20342150188 has 12 divisors (see below), whose sum is σ = 36049380640. Its totient is φ = 10042327152.

The previous prime is 20342150167. The next prime is 20342150209. The reversal of 20342150188 is 88105124302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20342150167) and next prime (20342150209).

It is a super-2 number, since 2×20342150188² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32186631 + ... + 32187262.

Almost surely, 2^20342150188 is an apocalyptic number.

It is an amenable number.

20342150188 is a deficient number, since it is larger than the sum of its proper divisors (15707230452).

20342150188 is a wasteful number, since it uses less digits than its factorization.

20342150188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64373976 (or 64373974 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The spelling of 20342150188 in words is "twenty billion, three hundred forty-two million, one hundred fifty thousand, one hundred eighty-eight".